package com.webserver.core;

import com.webserver.http.HttpServletRequest;
import com.webserver.http.HttpServletResponse;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.net.Socket;
import java.nio.charset.StandardCharsets;

/**
 * 负责与指定客户端进行一次HTTP交互
 * HTTP协议要求客户端与服务端采取一问一答的交互规则.
 * 并在交互完毕后断开TCP连接
 *
 * 因此,这里处理一次HTTP交互采取的过程分为三部分:
 * 1:解析请求(读取客户端发送过来的HTTP请求内容)
 * 2:处理请求(分析请求信息确定客户端意图,并进行对应的处理)
 * 3:发送响应(给浏览器发送一个HTTP中的响应,将处理结果回复给浏览器)
 */
public class ClientHandler implements Runnable{
    private Socket socket;

    public ClientHandler(Socket socket){
        this.socket=socket;
    }

    public void run() {
        try {
//1.解析请求
            HttpServletRequest request=new HttpServletRequest(socket);
            HttpServletResponse response=new HttpServletResponse(socket);
            //2.处理请求
            DispatcherServlet servlet=new DispatcherServlet();
            servlet.service(request,response);
//3.发送响应
            response.response();


        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            try {
                //交互后与客户端断开连接(协议要求)
                socket.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }

    }


}
